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解决mysql,出现错误ERROR1820(HY000):YoumustSETPASSWOR

时间:2021-07-01 10:21:17 帮助过:77人阅读

最近新装好的mysql在进入mysql工具时,总是有错误提示: # mysql -u root -p Enter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) 或者 # mysql -u root -p password 'newpassword' Enter password: mysqla

最近新装好的mysql在进入mysql工具时,总是有错误提示:
# mysql -u root -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
或者
# mysql -u root -p password 'newpassword'
Enter password:
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'root'@'localhost' (using password: YES)'

现在终于找到解决方法了。本来准备重装的,现在不必了。
方法操作很简单,如下:
# /etc/init.d/mysql stop
# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
# mysql -u root mysql
mysql> UPDATE user SET Password=PASSWORD('newpassword') where USER='root' and host='root' or host='localhost';//把空的用户密码都修改成非空的密码就行了。
mysql> FLUSH PRIVILEGES;
mysql> quit # /etc/init.d/mysqld restart
# mysql -uroot -p

Enter password: <输入新设的密码newpassword>



MySql5.6操作时报错:You must SET PASSWORD before executing this statement解决

mysql> SET PASSWORD = PASSWORD('123456');
Query OK, 0 rows affected (0.03 sec)

mysql> create database roger;
Query OK, 1 row affected (0.00 sec)

也就是用mysql> SET PASSWORD = PASSWORD('123456');这句话重新设置一次密码!

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